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Henry Wohltjen
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Burke, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Medication adherence monitoring device
Patent number
11,193,925
Issue date
Dec 7, 2021
University of Florida Research Foundation, Inc.
Donn Dennis
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Portable fuel dilution meter and method
Patent number
9,638,669
Issue date
May 2, 2017
Spectro Scientific, Inc.
Eric J. Olson
G01 - MEASURING TESTING
Information
Patent Grant
Hand hygiene complicance confirmation system
Patent number
9,478,118
Issue date
Oct 25, 2016
Sam Keown
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for limiting sensor exposure to ozone
Patent number
8,349,260
Issue date
Jan 8, 2013
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Personnel location and monitoring system and method for enclosed fa...
Patent number
8,279,063
Issue date
Oct 2, 2012
Xhale, Inc.
Henry Wohltjen
G07 - CHECKING-DEVICES
Information
Patent Grant
System, apparatus and method for dispensing chemical vapor
Patent number
7,845,206
Issue date
Dec 7, 2010
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
System, apparatus and method for dispensing chemical vapor
Patent number
7,484,399
Issue date
Feb 3, 2009
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
System, apparatus and method for concentrating chemical vapors
Patent number
7,449,050
Issue date
Nov 11, 2008
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Materials, method and apparatus for detection and monitoring of che...
Patent number
7,347,974
Issue date
Mar 25, 2008
The United States of America as represented by the Secretary of the Navy
Arthur W. Snow
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for gas measurement at substantially constant...
Patent number
7,240,535
Issue date
Jul 10, 2007
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Materials, method and apparatus for detection and monitoring of che...
Patent number
6,221,673
Issue date
Apr 24, 2001
MicroSensor Systems Inc.
Arthur W. Snow
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for chemical detection by pyrolysis
Patent number
5,550,062
Issue date
Aug 27, 1996
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for gas-monitoring and method of conducting same
Patent number
4,759,210
Issue date
Jul 26, 1988
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Monolayer-forming substituted phthalocyanine compounds and method o...
Patent number
H477
Issue date
Jun 7, 1988
United States of America
William R. Barger
540 - Organic compounds
Information
Patent Grant
Mixed semiconductor film device for monitoring gases
Patent number
4,636,767
Issue date
Jan 13, 1987
The United States of America as represented by the Secretary of the Navy
William R. Barger
G01 - MEASURING TESTING
Information
Patent Grant
Organic semiconductor vapor sensing method
Patent number
4,572,900
Issue date
Feb 25, 1986
The United States of America as represented by the Secretary of the Navy
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for the detection of toxicants
Patent number
4,513,280
Issue date
Apr 23, 1985
The United States of America as represented by the Secretary of the Navy
Patrick J. Hannan
G01 - MEASURING TESTING
Information
Patent Grant
Reversible optical waveguide vapor sensor
Patent number
4,513,087
Issue date
Apr 23, 1985
The United States of America as represented by the Secretary of the Navy
John F. Giuliani
G01 - MEASURING TESTING
Information
Patent Grant
Method for bonding insulator to insulator
Patent number
4,452,624
Issue date
Jun 5, 1984
The United States of America as represented by the Secretary of the Navy
Henry Wohltjen
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and apparatus for determination of lubricant stability
Patent number
4,438,203
Issue date
Mar 20, 1984
The United States of America as represented by the Secretary of the Navy
Henry Wohltjen
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR GAS CONCENTRATION MEASUREMENT
Publication number
20220341871
Publication date
Oct 27, 2022
ENMET, LLC
Henry WOHLTJEN
G01 - MEASURING TESTING
Information
Patent Application
DRUG DELIVERY DEVICES HAVING ADSORBED MEDICATION ADHERENCE MARKERS...
Publication number
20210290153
Publication date
Sep 23, 2021
XHALE, INC.
Hank Wohltjen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MEDICATION ADHERENCE MONITORING DEVICE
Publication number
20200103394
Publication date
Apr 2, 2020
University of Florida Research Foundation, Inc.
Donn DENNIS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD AND APPARATUS FOR THE PREPARATION OF KNOWN QUANTITIES OF GAS...
Publication number
20160123849
Publication date
May 5, 2016
ULTRASNIFF, LLC
HANK WOHLTJEN
G01 - MEASURING TESTING
Information
Patent Application
PORTABLE FUEL DILUTION METER AND METHOD
Publication number
20160047779
Publication date
Feb 18, 2016
Spectro Scientific, Inc.
Eric J. Olson
G01 - MEASURING TESTING
Information
Patent Application
HAND HYGIENE COMPLICANCE CONFIRMATION SYSTEM
Publication number
20150048940
Publication date
Feb 19, 2015
Sam Keown
G08 - SIGNALLING
Information
Patent Application
PERSONNEL LOCATION AND MONITORING SYSTEM AND METHOD FOR ENCLOSED FA...
Publication number
20110227740
Publication date
Sep 22, 2011
XHALE, INC.
Henry Wohltjen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System, apparatus and method for dispensing chemical vapor
Publication number
20090100898
Publication date
Apr 23, 2009
Microsensor Systems, Inc.
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Application
System and method for limiting sensor exposure to ozone
Publication number
20070269346
Publication date
Nov 22, 2007
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Application
System, apparatus and method for dispensing chemical vapor
Publication number
20070151319
Publication date
Jul 5, 2007
Henry Wohltjen
G01 - MEASURING TESTING
Information
Patent Application
System, apparatus and method for concentrating chemical vapors
Publication number
20070151449
Publication date
Jul 5, 2007
Henry Wohltjen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for gas measurement at substantially constant...
Publication number
20070051163
Publication date
Mar 8, 2007
Henry Wohltjen
G01 - MEASURING TESTING